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Taichi X470 blue light blinking

 
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post #1 of 6 (permalink) Old 09-12-2019, 01:07 AM - Thread Starter
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Taichi X470 blue light blinking

Hello everyone,

I just received all the components to build my dream PC.
CPU: Ryzen 2700x
Mobo: Taichi X470
RAM: 2*8GB Vegeance CL16 3000Mhz
GPU: EVGA GTX 1070 FTW
PSU: Coolermaster 650W Bronze
Storage: Samsung 960 EVO Pro 256GB
Cooler: Noctua NH D14

Yesterday received the Taichi and started assembling the PC, when finished I switched on the PSU and the motherboard started blinking blue light and does not do anything.

I have already tried:

Removed all peripherals -> no success
Removed the RAM leaving only one module in A2 -> no success
Tried CLCMOS button -> no success
Removed the mobo from my case on its box and kept only 24 pin + 8 pin + GPU 2*8pin -> still nothing
While on the box re mounted the CPU -> still nothing
During night removed the battery and tried earlier today -> nothing

Next step I will follow is:
Remove the Noctua brackets to put its original brackets just to esnure no shortage caused by the brackets.

Please if you have any ideas help me out. Have in mind the mobo I purchased on a used but working condition.

EDIT:All the components apart from the mobo were already tried in another PC and they work properly so the problem has something to do with the mobo.

Best Regards,
Alex Bedini

Last edited by aleks bedini; 09-12-2019 at 01:12 AM.
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post #2 of 6 (permalink) Old 09-12-2019, 07:17 AM - Thread Starter
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Update:

Reinstalled factory default AM4 brackets with Wraith cooler but the issue insists.
I also noticed there is a slight bend of the motherboard from a profile perspective.

Below are some images and a video
https://drive.google.com/drive/folde...rV?usp=sharing
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post #3 of 6 (permalink) Old 09-12-2019, 04:36 PM
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Have you tried a different power supply? I would suggest doing so

CPU
AMD Ryzen 7 3700X
Motherboard
Gigabyte B450 Aorus Pro Wifi
GPU
Gigabyte GTX 1660 OC
RAM
G.Skill Trident Z RGB 3200 8GB x 2
Hard Drive
Intel P600 1TB Nvme
Power Supply
Corsair RM750i
Cooling
Phanteks PH-TC14PE_ 140mm UFB CPU Cooler
Case
Fractal Design Define R5
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post #4 of 6 (permalink) Old 09-13-2019, 12:48 AM - Thread Starter
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Hello,

I have tried a 850Watt PSU but Unfortunately still the same.
I was wandering maybe if I replace the BIOS chip the issue might get solved.
DO you have any idea of a wrong BIOS version symptoms? Because the board was purchased used but the seller does not know any details regarding BIOS version or what CPU the mobo used to wear.
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post #5 of 6 (permalink) Old 09-13-2019, 04:47 PM
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It could be the ram it is not liking, worth a shot to try something different that is on the QVL list for the board

CPU
AMD Ryzen 7 3700X
Motherboard
Gigabyte B450 Aorus Pro Wifi
GPU
Gigabyte GTX 1660 OC
RAM
G.Skill Trident Z RGB 3200 8GB x 2
Hard Drive
Intel P600 1TB Nvme
Power Supply
Corsair RM750i
Cooling
Phanteks PH-TC14PE_ 140mm UFB CPU Cooler
Case
Fractal Design Define R5
▲ hide details ▲
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post #6 of 6 (permalink) Old 11-04-2019, 09:26 AM - Thread Starter
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Hello guys,

It turned out to be a voltage comparator near the I/O shield.
AS393M-G1
Just ordered 5 pieces from ebay and waiting to replace the problematic comparator.
I will keep you updated.
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